Durable H7214ctap4 Angular Contact Ball Bearing for Precision Spindles

• Customization: Available
• Contact Angle: 15°
• Aligning: Aligning Bearing
• Model NO.: H7214CTAP4
• Separated: Separated
• Rows Number: Single
• Load Direction: Radial Bearing
• Material: Stainless Steel
• Temperature Range: -30°C to +150°C
• Corrosion Resistance: Excellent (Chemical and Saline Environments)
• Load Capacity: High
• Lubrication: Pre-Lubricated with Grease or Oil
• Tolerance: ABEC 1 to ABEC 7
• Noise Level: Low, Suitable for Precision Applications
• Transport Package: Sealed in Plastic Bags, Packed in Foam-Lined Boxes
• Specification: stainless steel
• Trademark: LOWIFAR
• Origin: China
• HS Code: 848210
• Production Capacity: 50000PCS/Year

Product Description

Key Features of H7214CTAP4 Angular Contact Ball Bearing for Engraving and Milling Machine Spindles

(Custom configurations available upon request.)

Key Features
P4 (ABEC-7) Precision Class – ideal for high-accuracy spindle systems
Angular Contact Design (15°) – supports combined radial and axial loads
CTA Phenolic Cage – lightweight, low friction, excellent high-speed stability
High Speed Capability – reduced heat generation and smooth operation
High Rigidity & Accuracy – stable cutting performance and superior surface finish
Matched Bearing Sets Available – DB / DF / DT preload configurations

Typical Applications
Engraving machine spindles
Milling machine spindles
CNC machining center spindles
High-speed motorized spindles
Precision metalworking equipment

Bearing Type	Angular Contact Ball Bearing (Spindle Bearing)
Model	H7214CTAP4
Inner Diameter (d)	70 mm
Outer Diameter (D)	125 mm
Width (B)	24 mm
Precision Class	P4 (ABEC-7)
Contact Angle	15°
Cage Type	CTA Phenolic Cage
Seal Type	Open type (sealed version available on request)
Lubrication	High-speed grease / oil-air lubrication
Typical Position	Spindle / Main shaft

High-Precision Ceramic and Stainless Steel Bearings Manufacturer

The H7009CTAP4 is a high-precision angular contact ball bearing specifically designed for high-speed spindle and main-shaft applications in CNC machine tools, engraving machines, and precision machining equipment.

Manufactured to P4 (ABEC-7) precision class, this spindle bearing provides excellent rotational accuracy, low vibration, and stable thermal performance, ensuring high machining accuracy, rigidity, and superior surface finish under continuous high-speed operation.

The bearing is equipped with a CTA phenolic cage, which reduces centrifugal force, minimizes heat generation, and maintains stability at elevated speeds.
Its optimized internal geometry offers high axial stiffness and reliable load-carrying capacity, making it ideal for demanding spindle systems.

Specification

Bearing	Boundary dimensions			a=15°				a=25°
				Load ratings
						Limiting speeds		Load ratings
	d	D	B	Cr	Cor	Grease                    Oil		Cr	Cor
	MM			KN		R/min		KN
H7009CTAP4	45	75	16	26.7	25.3	17000	28000	25.4	24.1
H7209CTAP4	45	85	19	35.5	33.8	16000	26000	33.8	32.3
H71810CTAP4	50	65	7	7.4	10.0	18000	30000	6.9	9.50
H71910CTAP4	50	72	12	19	21	17000	28000	17.9	20.1
H7010CTAP4	50	80	16	27.6	27.5	16000	26000	26.2	26.2
H7210CTAP4	50	90	20	43.3	40.6	15000	24000	41.3	38.7
H71811CTAP4	55	72	9	10.2	13.8	16000	26000	9.60	13.1
H71911CTAP4	55	80	13	23.7	27.4	15000	24000	22.4	26.0
H7011CTAP4	55	90	18	36.7	37.1	14000	22000	34.8	35.3
H7211CTAP4	55	100	21	53.6	51.1	14000	22000	51.1	48.8
H71812CTAP4	60	78	10	13.4	18.0	15000	24000	12.6	17.0
H71912CTAP4	60	85	13	24.8	30.3	14000	22000	23.3	28.7
H7012CTAP4	60	95	18	37.8	40	14000	22000	35.8	38.0
H7212CTAP4	60	110	22	55.8	56.2	12000	19000	53.0	53.5
H71813CTAP4	65	85	10	13.4	18.8	14000	22000	12.6	17.8
H71913CTAP4	65	90	13	25.1	31.9	13000	20000	23.6	30.2
H7013CTAP4	65	100	18	38.9	42.9	13000	20000	36.8	40.7
H7213CTAP4	65	120	23	67.5	69.0	11000	18000	64.2	65.8
H71814CTAP4	70	90	10	13.8	20.3	13000	20000	13.0	19.1
H71914CTAP4	70	100	16	34.5	43.4	12000	19000	32.6	41.2
H7014CTAP4	70	110	20	49.9	55.5	12000	19000	47.2	52.7
H7214CTAP4	70	125	24	70.2	74.6	10000	17000	66.6	71.1
H71815CTAP4	75	95	10	14.2	21.7	12000	19000	13.3	20.5
H71915CTAP4	75	105	16	25	45.6	11000	18000	33	43.2
H7015CTAP4	75	115	20	51.3	59.2	11000	18000	48.5	56.2
H7215CTAP4	75	130	25	72.7	80.2	9500	16000	68.9	76.3
H71816CTAP4	80	100	10	14.5	23.1	11000	18000	13.6	21.8
H71916CTAP4	80	110	16	35.5	47.8	10000	17000	33.5	45.3
H7016CTAP4	80	125	22	61.6	70.4	10000	17000	58.3	66.9
H7216CTAP4	80	140	26	86.5	96.5	9000	15000	82.1	91.9
H71817CTAP4	85	110	13	21.5	32.2	10000	17000	20.2	30.5
H71917CTAP4	85	120	18	46.5	61.9	9500	16000	43.8	58.6
H7017CTAP4	85	130	22	63.3	75	9500	16000	59.9	71.3
H7217CTAP4	85	150	28	97.4	107.5	8500	14000	92.5	102..4
H71818CTAP4	90	115	13	21.7	33.5	9500	16000	20.4	31.6
H71918CTAP4	90	125	18	47.2	64.8	9000	15000	44.5	61.4
H7018CTAP4	90	140	24	66.9	84	9000	15000	63.2	79.7
H7218CTAP4	90	160	30	121.9	131.3	8000	13000	115.8	124.6

Applications
Aerospace: High-performance bearings for aircraft engines and systems.
Automotive: Durable solutions for engines, transmissions, and electric vehicles.
Medical Equipment: Precision bearings for surgical tools and diagnostic devices.
Industrial Machinery: Robust bearings for heavy-duty operations in manufacturing and production.
Renewable Energy: Specialized bearings for wind turbines and solar tracking systems.
Food & Beverage: Corrosion-resistant bearings for hygienic and reliable operations.
 
Key Configurations
Ceramic Bearings: Offering high temperature resistance, low friction, and excellent corrosion resistance.
Custom Designs: Tailored bearing solutions to meet specific application requirements.
High-Precision Tolerances: Ensuring consistent performance in demanding applications.
Maintenance-Free Options: Sealed bearings for enhanced durability and reduced downtime.

Production Process

1) Premium-grade ceramic and stainless steel materials are sourced to meet stringent quality standards.
2) Advanced CNC and grinding machines shape the bearing components to achieve tight tolerances and smooth finishes.
3) Precision polishing ensures low friction and optimal performance for both ceramic and stainless steel bearings.
4)Bearings are carefully assembled in a clean, controlled environment to maintain integrity and precision.
5) Rigorous quality checks, including dimensional accuracy, surface finish, and load testing, are performed to ensure every bearing meets or exceeds industry standards.

Ceramic bearing

Stainless steel bearing

Hybrid ceramic bearing

Many years of experience in bearing business

After Sales Service

Technical Support: Expert guidance for installation, maintenance, and troubleshooting to ensure optimal performance.
Warranty Assurance: Coverage for manufacturing defects, providing peace of mind with every purchase.
Customized Solutions: Tailored advice and modifications to address specific operational challenges or requirements.
Prompt Response: Dedicated support team available to address inquiries and resolve issues quickly and effectively.

Company Profile

At LOWIFAR Bearings, we specialize in designing and manufacturing a wide range of precision, high-quality ball bearings and tapered roller bearings. Our products are designed to meet the demands of heavy agricultural machinery, textile machinery, various engineering applications, motors, automobiles, computers, electric appliances, power tools, pumps, and more.

With over ten years of experience in bearing production, LOWIFAR is a trusted manufacturer dedicated to providing custom-made bearing solutions to meet your unique requirements.

Our experienced and professional team ensures that we deliver products of the highest quality. We are proud to have exported our bearings to numerous countries and regions worldwide, including Europe, North America, India, Thailand, South Korea, Mexico, Turkey, Argentina, Russia, and many others.

Our bearings have earned a strong reputation for reliability and performance among our global customer base. We invite customers, business partners, and friends from all over the world to connect with us for mutually beneficial cooperation.

FAQ

1. What are ceramic bearings?
Ceramic bearings are bearings made from advanced ceramic materials such as Zirconia (ZrO2) or Silicon Nitride (Si3N4). They are known for their high strength, wear resistance, and ability to perform in extreme conditions.

2. What are the advantages of ceramic bearings over steel bearings?
Ceramic bearings offer several advantages, including:

  Higher Durability: Resistant to wear, corrosion, and high temperatures.
  Lighter Weight: Up to 40% lighter than steel bearings.
  Non-Magnetic & Electrically Insulating: Ideal for sensitive applications.
  Low Friction: Reduces energy loss and heat generation.
3. In which industries are ceramic bearings commonly used?
Ceramic bearings are widely used in:

  Packaging equipment
  Renewable energy (e.g., wind turbines)
  Aerospace and automotive
  Medical devices
  Chemical processing
  High-precision tools
4. Can ceramic bearings handle high temperatures?
Yes, ceramic bearings are highly resistant to heat and can operate in temperatures exceeding 1,000°C, depending on the material used.

5. Are ceramic bearings suitable for corrosive environments?
Absolutely! Ceramic bearings are non-reactive to most chemicals, making them ideal for use in highly corrosive environments.

6. What is the lifespan of ceramic bearings?
Ceramic bearings typically last much longer than steel bearings due to their wear resistance and durability. However, the exact lifespan depends on the operating conditions and maintenance practices.

7. How do I maintain ceramic bearings?
Ceramic bearings require minimal maintenance, but to ensure longevity:

  Use the correct lubrication when necessary.
  Keep them clean and free from contaminants.
  Follow proper installation procedures.
8. Do you provide customized ceramic bearings?
Yes, we offer tailored ceramic bearing solutions to meet your specific application requirements. Contact us to discuss your needs.

9. What sizes and types of ceramic bearings do you offer?
We supply a wide range of sizes and configurations, including ball bearings, roller bearings, and hybrid bearings. Check our product catalog or contact us for more details

10. How can I place an order or request a quote?
Simply visit our Contact Us page, fill out the inquiry form, or reach out to us directly via email or phone. Our team will respond promptly with the information you need